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Welcome to your NEET REVISON TEST XVII (28.03.2026)
PHYSICS
1. 5, √32. 4, √53. 10, √2 4. 10, 2Deselect Answer
1. 25 km/h2. 24 km/h3. 27 km/h4. 28 km/h
1. hD/mvd 2. hD/2mvd3. 2hD/mvd4. 3hD/2mvd
1. 0,02. 0, 20 J3. 0,-20 J4. 20 J,-20 J
CHEMISTRY
1. [NiCl4]2-2. [Ni(CN)4]2-3. Ni(CO)4 4. [Ni(H2O)6]2+
Deselect Answer
77. The correct sequence of reagents to obtain iodoethane from ethanol, among the options provided, is:1. a- Red P,Br2; b-AgF2. a-H2SO4/heat; b- I2/ CCl43. a-KMnO4; b-SOCl24. a-Red P, Br2; b-NalDeselect Answer
78. Consider the following statements:A. Benzene gives substitution reaction more readily than addition reaction.B. In benzyne mechanism reaction intermediate is carbanion also.C. Tertiary alcohol always gives SN1 reaction.D. Reactivity of alcohol is very poor for SN reaction because alcohol is strongly acidic in character.Of these statements:1. only a is correct.2. a and c are correct3. a, b, and d are correct4. a, b and c are correctDeselect Answer
79. The unpaired electron in Eu3+ will bear similarities to that found in:1. Yb2+ 2. Ho3+ 3. Sm2+ 4. Gd3+Deselect Answer
80. Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R):Assertion (A): Helium is used to dilute oxygen in the diving apparatus.Reason (R): Helium has a high solubility inIn light of the above statements, choose the correct answer from the options given below:1. (A) is False but (R) is True.2. Both (A) and (R) are True and (R) is the correct explanation of (A).3. Both (A) and (R) are True and (R) is not the correct explanation of (A).4. (A) is True but (R) is False.Deselect Answer
81. In view of the signs of ∆r G° for the following reactions:PbO2 + Pb → 2PbO, ∆r G° < 0SnO2 + Sn → 2PbO, ∆r G° < 0The oxidation states more characteristic for lead and tin are respectively:1. For lead +2, for tin +22. For lead +4, for tin +43. For lead +2, for tin +44. For lead +4, for tin +2Deselect Answer
82. Consider the following reaction:The products A and B, respectively, are:Deselect Answer
83. The activation energy of a reaction can be determined from the slope of which of the following graphs?1. In K vs T 2. In K/T vs T3. In K vs 1/T 4. In K/T vs 1/TDeselect Answer
84. Match List-I with List-II:Choose the correct answer from the options given below: (A) (B) (C) (D)1. (III) (I) (II) (IV)2. (II) (III) (IV) (I)3. (III) (II) (I) (IV)4. (IV) (III) (II) (I)Deselect Answer
85. The shortest wavelength of the Paschen series for H-atom is:1. 9/R2. 16/R3. 144/7R4. 7R/144Deselect Answer
86. Consider the following reaction and identify the product (P):Deselect Answer
87. In a set of reactions, propanoic acid yielded a compound D.The structure of compound D would be:1. CH3 CH2 CH2 NH2 2. CH3 CH2CONH23. CH3CH2 NHCH2 4. CH3 CH2 NH2Deselect Answer
89. The molar solubility of CaF2 (Ksp = 5.3×10-11) in 0.1 M solution of NaF will be:1. 5.3×10-11 mol L-12. 5.3×10-8 mol L-13. 5.3×10-9 mol L-14. 5.3×10-10 mol L-1Deselect Answer