MCQ
(major) '$A$' and '$B$' are respectively
- ✓
- B
- C
- D
✓
Answer
Correct option: A.
a
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
Electrovalent compounds do not have
Electromagnetic radiation of wavelength $663\,nm$ is just sufficient to ionise the atom of metal $A.$ The ionization energy of metal $A$ in $kJ\, mol ^{-1}$ is ...... .
→(Rounded-off to the nearest integer) $\left[ h =6.63 \times 10^{-34}\, Js , c =3.00 \times 10^{8} \,ms ^{-1}\right.$ $,$ $\left. N _{ A }=6.02 \times 10^{23}\, mol ^{-1}\right]$
Find the sum of all the stereocenters that are present in below compounds
One mole of an ideal gas is allowed to expand reversibly and adiabatically from a temperature of $27\,^oC$. If the work done during the process is $3\, kJ$, then final temperature of the gas is $(C_v = 20\, J/K)$ ......$ K$
→What is the product of the following reaction ?
Major product $(A)$ is
→Which has the highest molar heat of vaporisation
Which of the following compounds $+ve$ charge is not show resonance ?
→Aluminium chloride in acidified aqueous solution forms an ion having geometry
The $\mathrm{E}^{\circ}$ value for the $\mathrm{Mn}^{3 *} / \mathrm{Mn}^{2+}$ couple is more positive than that of $\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}$ or $\mathrm{Fe}^{3+} / \mathrm{Fe}^{2 *}$ due to change of
→