NEET PRACTICE · Chemistry
p Block Elements (Group 13 & 14)
187 practice questions for NEET Practice — 155 easy · 31 medium · 1 hard. Every question is graded instantly with a step-by-step solution when you miss it.
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MCQ
Which of the following elements is in allotopic form in fullerene?
Numerical
Total number of $2 c-2 e^{-}$and $3 c-3 e^{-}$bonds are present in diborane is___
MCQ
Diborane on reaction with olefins forms :
MCQ
Ferric alum has the composition $\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4 \cdot \mathrm{Fe}_2\left(\mathrm{SO}_4\right)_3 \cdot x \mathrm{H}_2 \mathrm{O}$ The value of $x$ is
MCQ
$\mathrm{CO}_2$ is a gas, while $\mathrm{SiO}_2$ is a solid, but both are
MCQ
Which of the following anions is present in the chain structure of silicates?
MCQ
The relative Lewis acid character of boron trihalides is the order
MCQ
Among boron halides, which is the strongest Lewis is acid?
MCQ
Thermodynamically, in which form of carbon is the most stable?
MCQ
Anhydrous $\mathrm{AlCl}_3$ fume in air due to
MCQ
$\mathrm{SiF}_4$ gets hydrolysed giving
MCQ
In $BX_{3},B-X$ distance is shorter than what is expected theoretically because (X = F, Cl, Br, I)