MCQ
- AI, II and IV
- BII, III and IV
- CII and III
- DI and II
✓
Answer
A. I, II and IV
Explanation:
$- NO _2$ is deactivating group, so it cannot give Friedel-Crafts reaction.
Explanation:
$- NO _2$ is deactivating group, so it cannot give Friedel-Crafts reaction.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Strong reducing behaviour of $H_3PO_2$ is due to
→In Haber process $30$ litres of dihydrogen and $30$ litres of dinitrogen were taken for reaction which yielded only $50\%$ of the expected product. What will be the composition of gaseous mixture under the aforesaid condition in the end
→How many geometrical isomers are possible for the above compound ?
The rate of first-order reaction is $0.04\, mol\, L^{-1} \,s^{-1}$ at $10\,\sec$ and $0.03\, mol\, L^{-1}\, s^{-1}$ at $20\,\sec$ after initiation of the reaction. The half-life period of the reaction is ......... $\sec$
→A buffer that is a mixture of acetic acid $(K_a = 2 \times 10^{-5})$ and potassium acetate has $pH = 5.18$. The $\frac{[CH_3COO^-]}{[CH_3COOH]}$ ratio in this buffer is approx
→Which of the following pair of species is not iso-structural?
Assertion :Fluorine molecule has bond order one.
Reason : The number of electrons in the antibonding molecular orbitals is two less than that in bonding molecular orbitals.
Reason : The number of electrons in the antibonding molecular orbitals is two less than that in bonding molecular orbitals.
In which of the following species maximum atom can lie in same plane?
The degree of dissociation of first order reaction is
Given below are two statements :
→Statement I: Both $\left[\mathrm{Co}\left(\mathrm{NH}_3\right) 6\right]^{3+}$ and $\left[\mathrm{CoF}_6\right]^3$ complexes are octahedral but differ in their magnetic behaviour.
Statement II: $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)\right]^{3+}$ is diamagnetic whereas $\left[\mathrm{CoF} \mathrm{F}_6\right]^{3-}$ is paramagnetic.
In the light of the above statements, choose the correct answer from the options given below: