Boron trifluoride behaves as a Lewis acid because -
1. Boron trifluoride is electron-rich.
2. Boron trifluoride is electron-deficient.
3. Boron trifluoride is highly stable.
4. None of these.
Prefer 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 & BiologyThe correct statement among the following regarding behavior of in water is -
1. readily undergoes hydrolysis while completely resists hydrolysis.
2. readily undergoes hydrolysis while completely resists hydrolysis.
3. Both and readily undergo hydrolysis.
4. Neither nor undergo hydrolysis.
Prefer 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 & BiologyBoric acid is a-
1. Protic acid.
2. Weak monobasic acid.
3. Lewis acid.
4. Both '2' and '3'
Prefer 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 & BiologyThe effect of heating Boric acid at 370 K or above is -
1. Orthoboric acid changes to metaboric acid
2. Metaboric acid changes to boric oxide
3. Both '1' and '2'
4. Neither '1' nor '2'
Prefer 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 & BiologyThe electron-deficient compound among the following is -
1.
2.
3.
4.
Prefer 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 & BiologyThe hybridization of carbon in (a) (b) diamond (c) graphite is respectively-
1. , ,
2. , ,
3. , ,
4. , ,
Prefer 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 & BiologyThe B–F bond lengths in (130 pm) and (143 pm) differ because of-
1. Presence of triple bond character in
2. Resonance in
3. Presence of a double bond character in
4. Presence of a double bond character in
Prefer 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 & BiologyB–Cl bond has a dipole moment. Still, the BCl3 molecule has zero dipole moment because-
1. The respective dipole-moments of the B–Cl bond add with each other
2. The respective dipole-moments of the B–Cl bond cancel each other
3. BCl3 is tetrahedral in shape
4. None of the above
Prefer 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 & BiologyCO is a poisonous gas because -
1. It forms a complex with hemoglobin.
2. The CO–Hb complex is about 300 times more stable than the –Hb complex.
3. It can kill a person through suffocation on not receiving oxygen.
4. All of the above
Prefer 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 & BiologyAn excessive content of CO2 is responsible for global warming as-
1. Higher the level of carbon dioxide, higher is the amount of heat trapped.
2. Higher the level of oxygen, higher is the amount of heat trapped.
3. Higher the level of carbon dioxide, lesser is the amount of heat trapped.
4. Higher the level of oxygen, lesser is the amount of heat trapped.
Prefer 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