Chemistry · JEE Advanced

JEE Advanced 2007 · Paper 1

20070 marks22 questions

17 of its 22 questions are here. The rest have a figure or are still being checked, so for now they're only in the official PDF.

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Source: IIT-JEE 2007, Paper 1, Chemistry, published by JEE (Advanced). The official PDF

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17 questions

Q230 marks
$The species having bond order different from that in CO is$
1. A $NO⁻$
2. B $NO⁺$
3. C $CN⁻$
4. D $N₂$
Q240 marks
$Among the following, the paramagnetic compound is$
1. A $Na₂O₂$
2. B $O₃$
3. C $N₂O$
4. D $KO₂$
Q250 marks
$Extraction of zinc from zinc blende is achieved by$
1. A $electrolytic reduction$
2. B $roasting followed by reduction with carbon$
3. C $roasting followed by reduction with another metal$
4. D $roasting followed by self-reduction$
Q280 marks
$The number of structural isomers for C₆H₁₄ is$
1. A $3$
2. B $4$
3. C $5$
4. D $6$
Q290 marks
$The percentage of p-character in the orbitals forming P-P bonds in P₄ is$
1. A $25$
2. B $33$
3. C $50$
4. D $75$
Q300 marks
$When 20 g of naphthoic acid (C₁₁H₈O₂) is dissolved in 50 g of benzene (Kf = 1.72 K kg mol⁻¹), a freezing point depression of 2 K is observed. The van’t Hoff factor (i) is$
1. A $0.5$
2. B $1$
3. C $2$
4. D $3$
Q310 marks
$The value of log₁₀K for a reaction A ⇌ B is (Given: ΔᵣH°₂₉₈K = -54.07 kJ mol⁻¹, ΔᵣS°₂₉₈K = 10 J K⁻¹ mol⁻¹ and R = 8.314 J K⁻¹ mol⁻¹; 2.303 \times 8.314 \times 298 = 5705)$
1. A $5$
2. B $10$
3. C $95$
4. D $100$
Q320 marks
$STATEMENT-1 : Boron always forms covalent bond. because STATEMENT-2 : The small size of B³⁺ favours formation of covalent bond.$
1. A $Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1$
2. B $Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1$
3. C $Statement-1 is True, Statement-2 is False$
4. D $Statement-1 is False, Statement-2 is True$