Explore topic-wise InterviewSolutions in Current Affairs.

Which of the following group(s) will not show $-R$ effect?

Mole fractions of A and B in a mixture in which $6.023\times {10}^{23}$ molecules of A and $10.4\times {10}^{23}$ molecules of B are present.

Which of the following compounds contains $N-N$ bond?

Does effective nuclear charge increase across and down the group?

No....... Is it correct?

Electromagnetic radiation of wavelength 286 nm is just sufficient to ionise the sodium atom. Calculate the ionisation energy in kJ/mol.(Planck's constant (h) = $6.626\times {10}^{-34}Js)$

Oxidising nature increases from left to right in the order

The order of stability of the following carbocations is:

Q. What is the difference between hydrohalic and hypohalous acids ?

What will be the central atom in $XeO{F}_4$?

Ratio of radii of second and first orbits of $H$ atom is:

The alkaline earth metals are:

When 100 ml of 0.1 (N) NaCl solution is titrated with 0.1 (N)
$AgN{O}_3$ which of the following represent the titration plot ? Given $K_{sp}$ of $AgCl={10}^{-10}$

What is the maximum number of electrons that can be filled in 3d subshell?

Which of the following anion is present in the chain structure of silicates?

The value of surface tension of a liquid at critical temperature is

A crystal is made up of particles X, Y and Z; X forms FCC packing, Y occupies all the octahedral voids of X and Z occupies all the tetrahedral voids of X. If all the particles along one body diagonal are removed, then the formula of the crystal would be:

Observe the following reaction and answer the following questions:

The structure of $Q_1$ is:

NSE Indices
$\begin{array}{cccc}\text{Index}& \text{Current}& \text{Previous}& \text{\% Change}\\ \text{S \& P CNX Nifty}& 3641.1& 3770.55& -3.43\%\\ \text{CNX Nifty Junior}& 6458.55& 6634.85& -2.66\%\\ \text{CNX IT}& 5100.5& 5314.05& -4.02\%\\ \text{Bank Nifty}& 5039.05& 5251.55& -4.05\%\\ \text{CNX 100}& 3519.35& 3640.35& -3.32\%\end{array}$

World Markets
$\begin{array}{cccc}\text{Index}& \text{Current}& \text{Previous}& \text{\% Change}\\ \text{NYSE Cornposite}& 8926.88& 9120.93& -2.13\%\\ \text{NASDAQ Composite}& 2350.57& 2402.29& -2.15\%\\ \text{DOW Jones IA}& 12076& 12318.6& -1.97\%\\ \text{S \& P 500}& 1377.95& 1406.6& -2.04\%\\ \text{Nikkei 225}& 16676.9& 17178.8& -2.92\%\end{array}$

The above figures are taken from the website of National Stock Exchange of India. They illustrate the movement of NSE stock indices as well as world stock indices on the date indicated.

What do you mean by a stock index? How is it calculated?

The number of optically active product(s) obtained from the complete ozonolysis of the given product is:

A mineral consists of an equimolar mixture of the carbonates of two bivalent metals. One metal is present to the extent of $12.5$ by weight. $2.8g$ of the mineral on heating lost $1.32g$ of $C{O}_2.$ What is the $\%$ by weight of the other metal?

Calculate the volume of $0.2\text{N}NaOH$ required for neutralising the solution obtained by mixing $20\text{mL}$ of $0.1\text{N}{H}_{2}S{O}_4$ and $20\text{mL}$ of $0.1\text{N}HCl$.

Which of the following statements are correct ?

(a) Ferrimagnetic substances lose ferrimagnetism on heating and become paramagnetic

(b) Ferrimagnetic substances do not lose ferrimagnetism on heating and remain ferrimagnetic

(c) Antiferromagnetic substances have domain structures similar to ferromagnetic substances and their magnetic moments are not cancelled by each other

(d) In ferromagnetic substances, all the domains get oriented in the direction of magnetic filed and remain as such even after removing magnetic field

QUESTION 2.22

At 300 K, 36 g of glucose present in a litre of its solution has an osmotic pressure of 4.98 bar. If the osmotic pressure of the solution is 1.52 bar at the same temperature, what would be its concentration?

In a surface tension experiment with a capillary tube water rises upto 0.1 m. If the same experiment is repeated on an artificial satellite, which is revolving around the earth, water will rise in the capillary tube upto a height of

There are four alcohols P, Q, R and S which have 3, 2, 1 and zero alpha hydrogen atom(s) respectively. Which one of the following will not respond to victor- Meyer's test?

If , then x is equal to

An example of fluorite structure is

Identify the end product 'C'

Calculate the mass of sodium sulphate required to make 20% of its solution in 100 g of water.

Of the following oxides, the oxides which are soluble in sodium hydroxide are:

1. $A{s}_2{O}_3$

2. $S{b}_2{O}_3$

3. $SnO$

Explain the bonding in coordination compounds in terms of Werner's postulates.

Which one among the following is the strongest reducing agent?
$F{e}^{2+}+2e^{-}\to Fe(-0.44V)$
$N{i}^{2+}+2e^{-}\to Ni(-0.25V)$
$S{n}^{2+}+2e^{-}\to Sn(-0.14V)$
$F{e}^{3+}+e^{-}\to F{e}^{2+}(+0.77V)$

In catalytic reduction of hydrocarbon, which catalyst is mostly used

What is the full form of DDTT and BHC?