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Organic Chemistry (357) Physical Chemistry (331) Inorganic Chemistry (322) P Block Elements (156) Chemical Bonding (136) Coordination Compounds (115) Chemical Kinetics (89) Thermodynamics (74) Solutions (70) Atomic Structure (68) Equilibrium (64) Organic Compounds With Oxygen (63) Hydrocarbons (58) Organic Compounds Containing Oxygen (55) Electrochemistry (54) Coordinate Geometry Slope Intercept (48) Chemical Thermodynamics (45) Biomolecules (45) D And F Block Elements (44) Basic Principles Of Organic Chemistry (39) Chemical Bonding And Molecular Structure (39) Some Basic Concepts In Chemistry (38) Organic Basics Hydrocarbons (36) Solid State (35) Organic Chemistry Some Basic Principles (30) Redox Reactions And Electrochemistry (30) Practical Chemistry (30) Organic Synthesis And Named Reactions (28) Hydrogen (28) Classification Of Elements (26)

नमूना प्रश्न

JEE Advanced Chemistry
The standard reduction potentials are: E°(Cu²⁺/Cu) = +0.34 V, E°(Cu⁺/Cu) = +0.52 V. The standard reduction potential for Cu²⁺ → Cu⁺ is:
A +0.86 V
B -0.15 V
C -0.18 V
D +0.15 V
AEEE Chemistry
The hybridization of carbon in diamond, graphite, and acetylene (C₂H₂) respectively are:
A sp³, sp², sp
B sp², sp³, sp
C sp, sp², sp³
D sp³, sp, sp²
NEET Chemistry
How many electrons are present in 1.8 mL of water? (NA = 6.022 × 10²³ mol⁻¹)
A 6.022 × 10²³
B 10 × 6.022 × 10²³
C 18 × 6.022 × 10²³
D 0.1 × 6.022 × 10²³
NEET Chemistry
Which of the following statements is correct about the second law of thermodynamics?
A Energy can neither be created nor destroyed
B The entropy of the universe tends to a maximum
C Entropy of a perfect crystal at 0 K is zero
D Heat cannot flow from cold to hot without external work
JEE Main Chemistry
The enthalpy of neutralization of a strong acid by a strong base is −57.1 kJ/mol. The enthalpy of neutralization of HCN by NaOH will be:
A Less than −57.1 kJ/mol (more negative)
B Exactly −57.1 kJ/mol
C Greater than −57.1 kJ/mol (less negative)
D Zero
BITSAT Chemistry
The van't Hoff factor (i) for a compound that undergoes dimerization in solution is:
A 0.5
B 1.0
C 2.0
D 0.33
NEET Chemistry
Which of the following is a nucleophile?
A NH₃
B BF₃
C AlCl₃
D H⁺
GATE Chemistry
The standard cell potential of a galvanic cell based on the reaction Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s) is 1.10 V at 298 K. The equilibrium constant for this reaction at 298 K is approximately: (F = 96500 C/mol, R = 8.314 J/(mol·K))
A 1.7 × 10³⁷
B 3.2 × 10¹⁵
C 5.6 × 10²⁵
D 9.8 × 10⁸

About Chemistry Mock Tests

Chemistry covers organic, inorganic, and physical chemistry topics including chemical bonding, reaction mechanisms, stoichiometry, electrochemistry, thermodynamics, acids and bases, organic compounds, and biomolecules. Practice with targeted chemistry questions designed to improve conceptual understanding and numerical problem-solving for engineering and medical entrance examinations.

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