List of top Chemistry Questions asked in AP EAPCET

Identify the correct statements from the following
(A) The compressibility factor (Z) for an ideal gas is 1
(B) Uranium isotopes ($ ^{235}U $ and $ ^{238}U $) are separated by converting them into $ UF_6 $ vapours
(C) Decrease in temperature increases the kinetic energy of gas molecules

If the standard enthalpy of sublimation $ (\Delta_{sub}H^\circ) $ of solid $ CO_2 $, naphthalene, Li and Na are 25.2, 73.0, 162, 108 kJ mol$^{-1} $ respectively, the order of sublimation of these substances with temperature is

The correct order of bond angles of the following is
I. $ \text{H}_2\text{O} $
II. $ \text{NH}_3 $
III. $ \text{CH}_4 $
IV. $ \text{SO}_2 $

Which of the following electronic transitions in hydrogen atom will require the highest energy?

Match the following
List-I (Elements)
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Noble gases
List-II (Valence shell Configuration)
I. $ ns^2 np^6 $
II. $ ns^2 np^5 $
III. $ ns^2 $
IV. $ ns^1 $

Correct order of basic strength of metallic hydroxides

Which of the following oxides is highly basic?

Which of the following fluorides of Xenon does not exist?

Given equilibrium constants: H$_2$CO$_3$ ⇌ 2H$^+$ + CO$_3^{2–}$, $K = 2 \times 10^{-17}$
H$_2$CO$_3$ ⇌ H$^+$ + HCO$_3^-$, $K = 4 \times 10^{-7}$
Then the equilibrium constant for: HCO$_3^-$ ⇌ H$^+$ + CO$_3^{2–}$ is

Match the following:

Property	Expression
A. π	I. K_b · m
B. ΔT_f	II. K_f · m
C. ΔT_b	III. CST
D. (P⁰ - P) / P⁰	IV. (n₁ / (n₁ + n₂))

The correct increasing order for the wavelengths of absorption in the visible region for the following Co$^{3+}$ complexes is:
(i) [Co(NH$_3$)$_6$]$^{3+}$
(ii) [Co(H$_2$O)$_6$]$^{3+}$
(iii) [Co(en)$_3$]$^{3+}$

Given below are two statements
Assertion (A): Ethylamine is stronger base than ammonia
Reason (R): It is due to $-$I effect of ethyl group
The correct answer is

Jones reagent is used in which of the following conversions?

Match the following
List – I (Source) List – II (Carboxylic Acid)

Source	Carboxylic Acid
A. Vinegar	I. HCOOH
B. Butter	II. CH₃CH₂COOH
C. Ants	III. CH₃COOH
	IV. CH₃CH₂CH₂COOH

Which of the following exhibits optical isomerism?

What is the major product formed in the reaction given below?

What is the intermediate in the following reaction?
RCN + SnCl$_2$ + HCl $\longrightarrow$ RCHO

Which of the following drug is used on diseased skin surface?

Nucleotides in RNA are joined by which of the following phosphodiester linkages?

A vitamin (X) is water soluble but can be stored in the body. Deficiency of X causes which disease?

Which of the following is/are correct?
i. Cr$_2$O$_3$ is an acidic oxide
ii. Mo(VI) and W(VI) are more stable than Cr(VI)
iii. All Cu(II) halides are known except iodide
iv. The E$^\circ$ value for Cr$^{3+}$/Cr$^{2+}$ is much more positive than Mn$^{3+}$/Mn$^{2+}$

A polymer sample contains 5 molecules of molar mass 1000, 3 molecules of molar mass 500 and 2 molecules of molar mass 250. What is its weight average molecular weight (Mw)?

In which of the following reactions phosphine is not formed?

Identify the correct statements about order of reaction:
I) It is equal to the sum of the powers of concentration terms in rate equation
II) It is always a whole number
III) It is determined experimentally
IV) It is not applicable for complex reactions

1.06 g of Na$_2$CO$_3$ (molar mass = 106 g mol$^{-1}$) is dissolved in 500 g water. What is its molality?