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JEE Advanced levelSingle correct optionDifficulty 3 of 3pb035

Match Column I (oxide) with Column II (description). Column I: P: $CO$ ; Q: $SiO X_{2}$ ; R: $SnO X_{2}$ ; S: $CO X_{2}$ . Column II: 1: amphoteric; 2: neutral oxide; 3: three-dimensional covalent network; 4: discrete linear molecule.

AP-2, Q-3, R-1, S-4
BP-2, Q-4, R-1, S-3
CP-1, Q-3, R-2, S-4
DP-4, Q-3, R-1, S-2

Answer: A

CO

does not react with acids or bases (neutral).

SiO X_{2}

is a giant tetrahedral network of Si-O-Si links.

SnO X_{2}

reacts with both acids and bases (amphoteric).

CO X_{2}

is a discrete linear

O = C = O

molecule. So P-2, Q-3, R-1, S-4.

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