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If 50 atoms of carbo If 50 atoms of carbon reacts with 200 molecules of oxygen , find out the correct statement (1) O_2 is limiting reagent (2) 50 molecules of CO_{2 } are formed (3) 100 molecules of CO_2 are formed (4/) Both (1) and (2

CH3Cl gives CH3+ + Cl- is a:

The oxidation state of the C atom in HCN molecule is

Which one on reaction with NaOH solution gives inflammable gas?

) 2-Chlorobutane-15aaq solution ofahl alcoholIn this reaction 70% racemisation takes place. % of inverted product would be :(a) 30(c) 35(b) 70(d) 65

Chlorofluorocarbon are compounds of:

HCl gas is passed into water, yielding a solution of density 1.095 g mL^-1 and containing 30% HCl by weight. Calculate the molarity of the solution

Which one of the following aldehyde gives Cannizzaro reaction when heated with strong alkali?

State the differences between NTP and STP and their values

In a body centered cubic unit cell a body center has 8 corners but 1 corner has 8 body centers so why we haven't calculated of 8 corners as 8×8=64

Urea reacts with water to form A, which will decompose to form B. When B is passed into a white precipitate of C which is formed when Ag+(aq) and Cl−(aq) are mixed then a colourless solution of D is formed. What is the formula of D?

ntIn a crystalline solid particle C forms CCP particle A occupies 25% of tetrahedral voids particle B occupies 50% of octahedral voids .if particles along one face diagonal are removed find simplest formula A)A4BC6 B) A4BC8 C) A8B8C13 D) AB2C4n

What is the coordination number in Body Centered Cubic (BCC) arrangement of identical particles?

Which of the following is the strongest base?

A reversible reaction is one which :

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity?

Alcohol and thiol functional groups are present in which of the following compounds?

what is major elimination product of CH_3CHFCH_2Ph with alcholic KOH

Which of the followingelectrolytes is least effective in causing flocculation of ferric hydroxide sol[MNR 1991; UPSEAT 1999]

14 g of CO of 27 C is mixed with 16 g of O2 at 47 c.the temp of mixture is (Vibrational mode neglected)

11. A metallic element has a cubic lattice .Each edge of the unit cell is 2 angstorm .the density of the metal is 2.5 g per cm cube .What is the unit cell in 200 g of the metal?

Consider the following reaction,Major product P is[0.77 Mark]

An organic compound has following composition c=48%,h=8%,n=28%.find out empirical formulae of compound

Which of the following is a substitution reaction?

Which of the following xenon compounds may not be obtained by hydrolysis of xenon fluorides?

What is the meaning of capacitation? Explain in detail.

45. Consider the reaction 2H2O(l)-------->2H2(g)+O2(g) Calculate the work done at 25 degree Celsius for the decomposition of 36 ml of water? 1)1.788kCal 2)2.576kCal 3)-1.788kCal 4)-2.576kCal

Give one example of a condensation polymer.

1 gram of a metal carbonate (M2CO3) on treatment with excess HCl produces 0.01186 mole of CO2. The molar mass of (M2CO3) in gmol−1 is

The ratio of value of KpKc for the reaction, CO(g)+12O2(g)⇌CO2(g) is:

An ideal gas at 27 0C is heated at constant pressure so as to double its volume. The temperature of the gas will be

6. What is the concentration of NO, ions when equalvolumes of 0.1 M AgNO, and 0.1 M NaCI aremixed together?(1) 0.1 N(3) 0.05 M(2) 0.25 M(4) 0.2 M

Question 20Does the solubility of a substance change with temperature? Explain with the help of an example.

5. 2 litre of ideal gas at 273K and 5atm pressure is expanded isothermally against a constant external pressure of 1atm calculate work done :- (1)-810.4 joule (2)-405.2 joule (3)+810.4 joule (4)zero

How to identify the the element with atomic number and mass number

Which one of the following alcohols is most reactive for SN1 reaction?(a) CH3−OH|C|CH3−CH3 (b) C6H5−OH|C|CH3−C6H5(c) CH3−OH|C|CH3−CH3 (d) CH3−OH|C−CH3

Photon having wavelength 310 nm is used to break the bond of A2 molecule having bond energy 288 kJ mol–1, then percentage of energy of photon converted to the kinetic energy is:[hc=12400 evA∘,1 ev=96 kJ/mol]

The correct decreasing order of basic strength in the given compound is:

Given the standard electrode potentials, K+K=−2.93 V, Ag+Ag=0.80 V Hg2+Hg=0.79V, Mg2+Mg=−2.37 V Cr3+Cr=−0.74 V Arrange these metals in their increasing order of reducing power.

Four difference between Holoenzyme and apoenzyme

The structure in which cations form ccp structure 1) NaCl 2) ZnS 3) CsCl 4) CaF2

In a solution of 7.8 g benzene (C,H) and 46.0gtolueneC. H CH) the mole fraction of benzene is:-62 (4)3

Which of the following orbital has most energy in multi-electron system?

Is there any that we can react noble gases with other substances?

A radioactive element having decay constant to be 2.31×10−3 per day is reduced to 25% of its initial amount in a period of ?

The product P in the reaction is:

Assuming no carbocation rearrangement to take place, what would be the major product of the reaction given below:

At 25 oC and 730 mm pressure, 380 mL of dry oxygen is collected. If the temperature is constant, what will be the volume of oxygen at 760 mm pressure?

What is the meaning of degree of unsaturation and what is the degree of unsaturation for allyl vinyl acetylene?