| 1. | Carbon has the tendency to form chains and rings with itself. | 
| 2. | Silicon and Germanium are useful in semiconductor industry. | 
| 3. | Boron trifluoride is a strong Lewis acid. | 
| 4. | Common oxidation states of group 14 elements are +1 and +3. | 
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | The relative stability of group 13 elements in +1 oxidation state varies as: Al < Ga < In < Tl. | 
| 2. | Boron trioxide is acidic; aluminium and gallium trioxides are amphoteric, while indium and thallium trioxides are basic. | 
| 3. | The hybridisation of Al in \(\left[\mathrm{Al}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}\) is \(\text{d}^2\text{ sp}^3.\) | 
| 4. | Two isotopes of Boron, namely \(^{10}\!\mathrm{~B}(19 \%)\) and , \(^{11}\! \mathrm{~B}(81 \%)\) are known. | 
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the allotropes of cabon given in List I with the respective characteristics given in List II.
| List-I | List-II | ||
| A. | Coke | I. | Carbon atoms are sp3 hybridised. | 
| B. | Diamond | II. | Used as a dry lubricant | 
| C. | Fullerene | III. | Used as a reducing agent | 
| D. | Graphite | IV. | Cage like molecules | 
| Options: | (A) | (B) | (C) | (D) | 
| 1. | III | IV | I | II | 
| 2. | II | IV | I | III | 
| 3. | IV | I | II | III | 
| 4. | III | I | IV | II | 
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Ga | 2. | In | 
| 3. | Al | 4. | B | 
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Both the boron atoms are sp2 hybridised. | 
| 2. | There are two 3-centre-2-electron bonds. | 
| 3. | The four terminal B-H bonds are 2-centre-2-electron bonds. | 
| 4. | The four terminal hydrogen atoms and the two boron atoms lie in one plane. | 
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Both diamond and graphite are used as dry lubricants. | 
| 2. | Diamond and graphite have a two-dimensional network. | 
| 3. | Diamond is covalent and graphite is ionic. | 
| 4. | Diamond is sp³ hybridised and graphite is sp² hybridized. | 
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is the correct statement?
1. Ga+ is more stable than ln+.
2. Al+ is more stable than ln+.
3. Ga+ is more stable than Al+.
4. Al+ is more stable than Ga+.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe chain length of silicones can be controlled by adding:
1.  \(\mathrm{CH_3SiCl_3}\)
2.  \(\mathrm{SiCl_4}\)
3.  \(\mathrm{(CH_3)_2SiCl_2}\)
4.  \(\mathrm{(CH_3)_3SiCl}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology