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White crystalline solid (A) reacts with ...

White crystalline solid (A) reacts with `H_2` to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used for etching glass. Compound (A) undergoes hydrolysis slowly to form (C ), (B) and a diatomic gas (D ) whose IE is almost similar to that of (C ). (B) forms an addition compound with KF to form (E) which is electrolysed in the molten state to form a most reactive gas (F) which combines with (C ) in 2:1 ratio of produce (A).
Which of the following is correct for the white crystalline solid (A) ?

A

It oxidises `F^(-)` to `F_(2)`

B

It on hydrolysis with alkali under goes disproportionation.

C

It is obtained by the reaction of ( C) with `O_(2)F_(2)` at `118^(@)C`.

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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White crystalline solid (A) reacts with H_2 to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used for etching glass. Compound (A) undergoes hydrolysis slowly to form (C ), (B) and a diatomic gas (D ) whose IE is almost similar to that of (C ). (B) forms an addition compound with KF to form (E) which is electrolysed in the molten state to form a most reactive gas (F) which combines with (C ) in 2:1 ratio of produce (A). According to Molecular Orbital Theory, which of the following is correct about the molecule (D) ?

White crystalline solid (A) reacts with H_2 to form a highly associated liquid (B) and a monoatomic , colourless gas (C ). The liquid (B) is used for etching glass. Compound (A) undergoes hydrolysis slowly to form (C ), (B) and a diatomic gas (D ) whose IE is almost similar to that of (C ). (B) forms an addition compound with KF to form (E) which is electrolysed in the molten state to form a most reactive gas (F) which combines with (C ) in 2:1 ratio of produce (A). The compound 'A' reacts with sulphur to form a compound in which hybridisation state of sulphur atom is :