Explore topic-wise InterviewSolutions in Current Affairs.

Choose the correct stability order of the given alkenes.

In the following reaction reactant (A) cannot be $A\underset{H_3{O}^{+}}{\overset{RMgX}{\to }}{3}^{\circ }alcohol$

$HCl{O}_4+P_2{O}_5\to$ (A) and (B) A and B are

What volume of hydrogen measured at ${27}^{\circ }C$ and 776.7 mm pressure would be obtained by treating 0.65 g of pure zinc with sufficient amount of dilute hydrochloric acid? Aq. tension at ${27}^{\circ }C$ is 26.7 mm; At. mass of Zn is 65.

The types of hybridisation on the five carbon atoms from left to right in the molecule

$C{H}_3-CH=C=CH-C{H}_3$ are :

In which of the following compounds, +I group is present?

What volume of 0.5M CaCl_​​​2 solution is needed to prepare 250 ml of 0.5 ml of solution that has Cl^{​​​​​-} concentration 0.1 M?

A 12.5 ml

B. 25 ml

C.50 ml

D.200 ml

Give
the IUPAC names of the following compounds:

(i)
CH₃CH(Cl)CH(Br)CH₃

(ii)
CHF₂CBrClF

(iii)
ClCH₂C≡CCH₂Br

(iv)
(CCl₃)₃CCl

(v)
CH₃C(p-ClC₆H₄)₂CH(Br)CH₃

(vi)
(CH₃)₃CCH=CClC₆H₄I-p

Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen ?

A particle `x' moving with a certai velocity has deBroglie wavelength of $1A^{\circ }$. If particle `y' has mass 25% that of `x' and velocity 75% that of `x', deBroglie wavelength of y will be

If ${\lambda }_1$ and ${\lambda }_2$ denote the wavelength of de Broglie waves for electrons in Bohr’s first and second orbits in the hydrogen atom,then ${\lambda }_1/{\lambda }_2$ will be:

The number of banana bonds in diborane are

Both $\left[Ni\right(CO{)}_4]$ and $\left[Ni\right(CN{)}_4{]}^{2-}$ are diamagnetic. The hybridisation of nickel in these complexes, respectively are:

In the following sequence of reactions:

The product (C) is

Predict the correct order of repulsion among the following:

The correct order of decreasing polarisability of ion is :

In the above question, calculate the effect on the output of a 10% increase in transfers, and a 10% increase in lump sum taxes. Compare the effect of the two.

The correct order of acidic strength is

In the following compounds,

The order of acidity is

Choose the option which best replaces the question mark.

Tap the bubbles for which the value of the trigonometric ratio is equal to $0.$

Calculate the molality of a $1L$ solution of $68\%H_{2}S{O}_4\left(\frac{w}{v}\right),$ if the density of the solution is given as $1.80gm{L}^{-1}$.

Which of the following compounds will form significant amount of meta product during mono-nitration reaction?

Give reasons:

(i) Conc. $HN{O}_3$ can be transported in aluminium container.

(ii) A mixture of dilute NaOH and aluminium pieces is used to open drain.

(iii) Graphite is used as lubricant.

(iv) Diamond is used as an abrasive.

(v) Aluminium alloys are used to make aircraft body.

(vi) Aluminium utensils should not be kept in water overnight.

(vii) Aluminium wire is used to make transmission cables.

KCl crystallizes in the same type of lattice as does NACl. Given that $\frac{r_{N{a}^{+}}}{r_{C{l}^{-}}}=0.55$ and $\frac{r_{K^{+}}}{r_{C{l}^{-}}}=0.74$. Calculate the ratio of the side of the unit cell for KCl to that of NaCl.

What
can be inferred from the magnetic moment values of the following
complex species?

Example Magnetic Moment (BM)

K₄[Mn(CN)₆]
2.2

[Fe(H₂O)₆]²⁺
5.3

K₂[MnCl₄]
5.9