Chemistry NCERT Exemplar Solutions Class 12th Chapter Nine

Consider the following reaction.

$2HS{O}_4^{-}\left(aq\right)\underset{\left(2\right)Hydrolysis}{\overset{\left(1\right)Electrolysis}{\to }}2HS{O}_4^{-}+2H^{+}+A$

The dihedral angle in product A in its solid phase at 110 K is

Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium?

The metal complex that is diamagnetic is (Atomic number; Fe, 26; Cu, 29)

Which of the following forms of hydrogen emits low energy β - particles?

The length of metallic wire is ${\mathcal{l}}_1$ when tension in it is $T_1$ . It is ${\mathcal{l}}_2$ when the tension is T₂. The original length of the wire will be

Match List I with List II

Choose the correct answer from the options given below:

The number of isomers possible for $\left[\mathrm{P}\mathrm{t}\left(\mathrm{e}\mathrm{n}\right){\left({\mathrm{N}\mathrm{O}}_2\right)}_2\right]$ is:

The pair in which both the species have the same magnetic moment (spin only) is:

Number of complexes which will exhibit synergic bonding amongst $\left[Cr{\left(CO\right)}_6\right],\left[Mn{\left(CO\right)}_5\right]$  and $\left[M{n}_2{\left(CO\right)}_{10}\right]$  is_______________.

Given below are two statements:

Statement I : ${\left[Ni{\left(CN\right)}_4\right]}^{2-}$  is square planar and diamagnetic complex, with dsp² hybridizatin for Ni but $\left[Ni{\left(CO\right)}_4\right]$  is tetrahedral, paramagnetic and with sp³ hybridization for Ni.

Statement II : ${\left[NiC{l}_4\right]}^{2-}and\left[Ni{\left(CO\right)}_4\right]$  both have same d-electron configuration have same geometry and are paramagnetic.

In light the above statements, choose the correct answer from the options given below