The hydrides of carbon (CnH2n + 2) can act as -
1. Lewis acid.
2. Lewis base.
3. Both 1 and 2
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 & Biology“Non-stoichiometric hydrides” are -
1. Hydrogen-deficient compounds formed by the reaction of a hydrogen atom with d-block and f-block elements.
2. Hydrogen-deficient compounds formed by the reaction of dihydrogen with d-block and f-block elements.
3. Electron-deficient compounds formed by the reaction of dihydrogen with d-block and f-block elements.
4. Hydrogen-deficient compounds formed by the reaction of dihydrogen with s-block and p-block elements.
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 & BiologyMetallic hydrides are useful for hydrogen storage because :
1. Metallic hydrides are oxygen-rich.
2. Metallic hydrides are oxygen-deficient.
3. Metallic hydrides are hydrogen-rich.
4. Metallic hydrides are hydrogen-deficient.
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 & BiologyAtomic hydrogen or oxy-hydrogen torch is used for cutting and welding purposes because-
1. Atomic hydrogen converts into molecular hydrogen and generates a large amount of energy
2. Atomic hydrogen converts into molecular hydrogen and generates a low amount of energy
3. Molecular hydrogen converts into atomic hydrogen and generates a large amount of energy
4. Molecular hydrogen converts into atomic hydrogen and generates a low amount of energy
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 order of hydrogen bonding among , H2O and HF, is
1. HF > >
2. > HF >
3. HF > >
4. > HF >
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 & BiologyCO2 is used as a fire extinguisher because -
1. has high lattice energy.
2. will be effective in isolating the burning surface from dihydrogen and dioxygen.
3. is lighter than dioxygen.
4. is lighter than dihydrogen.
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 term ’auto-protolysis’ of water means -
1. Physical reaction in which two water molecules react to produce a hydroxide ion (OH–) and a hydronium ion ().
2. Chemical reaction in which five water molecules react to produce a hydroxide ion (OH–) and a hydronium ion ().
3. Chemical reaction in which two water molecules react to produce a hydroxide ion (OH–) and a hydronium ion ().
4. Chemical reaction in which two water molecules react to produce three hydroxide ions (OH–)
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 about the reaction of water with fluorine is
1. O is reduced from 0 to -1 oxidation state, whereas F is oxidized from –2 to 0
2. F is reduced from 0 to -1 oxidation state, whereas O is oxidized from –2 to 0
3. F is reduced from 0 to –2 oxidation state, whereas O is oxidized from – 2 to -1
4. O is reduced from 0 to –2 oxidation state, whereas F is oxidized from –3 to 0
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 structure of the common form of ice is -
1. Each hydrogen atom is surrounded tetrahedrally by four other oxygen atoms at a distance of 540 pm.
2. Each hydrogen atom is surrounded tetrahedrally by four other oxygen atoms at a distance of 276 pm.
3. Each oxygen atom is surrounded tetrahedrally by four other oxygen atoms at a distance of 276 pm.
4. Each oxygen atom is surrounded tetrahedrally by four other oxygen atoms at a distance of 540 pm.
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 softening of hard water by synthetic ion-exchange resins is based on -
1. Increasing the lattice energy.
2. Physical separation.
3. Lowering the activation energy.
4. Exchange of cations and anions.
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