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📚NCERT Questions

1,675 solved questions with detailed explanations

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All ExamsCBSE11(591)CBSE10(499)CBSE12(275)NCERT11(210)NCERT10(100)
1081

In compounds with functional groups, how is the longest carbon chain selected and numbered?

NCERT11
1082

Phenols are more acidic than alcohols primarily because:

CBSE12
1083

Propanone (CH₃COCH₃) and Propanal (CH₃CH₂CHO) are examples of which type of isomerism?

NCERT11
1084

If the reaction H2(g) + I2(g) <=> 2HI(g) has an equilibrium constant Kc = x, what is the equilibrium constant for the reaction (1/2)H2(g) + (1/2)I2(g) <=> HI(g)?

CBSE11
1085

What is the effect of a catalyst on a chemical equilibrium?

CBSE11
1086

For an isothermal expansion of an ideal gas into a vacuum, what are the values of work (w), heat (q), and internal energy change (ΔU)?

CBSE11
1087

What is a pi (π) bond?

CBSE11
1088

For an exothermic reaction (negative ΔH), how does increasing the temperature affect the equilibrium constant?

CBSE11
1089

The cup-shaped end of the coiled tube in a nephron that collects the filtrate is called the:

CBSE10
1090

The standard enthalpy of fusion (Δ_fus H°) for water is 6.00 kJ mol⁻¹. What does this value indicate about the process of melting?

CBSE11
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