The correct order of the acidity of following acids is-

CH₃COOH, HCOOH, Cl-CH₂COOH, F-CH₂COOH, (Cl₂)CHCOOH

• Cl₂CHCOOH > F-CH₂COOH > Cl-CH₂COOH > HCOOH > CH₃COOH

• F-CH₂COOH > Cl-CH₂COOH > Cl₂CHCOOH > HCOOH > CH₃COOH

• HCOOH > CH₃COOH > Cl-CH₂COOH > Cl₂CHCOOH > F-CH₂COOH

• None of the above

In an adiabatic process which of the following is true?

• q = +W

• q = 0

• $∆$E = q

• p$∆$V = 0

Zwitter ion is

• a dipolar ion

• ion formed from amino acid

• internal salt

• All of the above

Equation log $\frac{{\mathrm{K}}_2}{{\mathrm{K}}_1} = \frac{∆\mathrm{H}}{2.303 \mathrm{R}} \left(\frac{{\mathrm{T}}_2 -{\mathrm{T}}_1}{{\mathrm{T}}_1 . {\mathrm{T}}_2}\right)$, n is

• van der Waals' equation

• Kirchoffs equation

• Gas equation

• van't Hoff equation

Number of α and β emitted in the reaction, ₉₂U²³⁸ → ₈₂Pb²⁰⁶ are

• 6α and 8β

• 8α and 6β

• 6α and 4β

• 4α and 6β

According to MOT which of the following is correct for potassium hexa cyano ferrate (III)?

• It is octahedral complex.

• t_2g orbital contains the e^- of metal.

• For iron, overlapping between empty orbitals and ligand orbitals takes place.

• All of the above

Solubility product of pure PbCl₂ will be

• K_sp = S²

• K_sp = 4S³

• K_sp = 108 S⁵

• K_sp = S

Which of the following statement is correct?

• Basic nature increases on increasing pH

• Basic nature decreases on increasing pH

• Acidic nature increases on increasing pH

• None of the above

The required condition for an ideal solution is

• $∆$H_mix = 0

• $∆$V_mix ≠ 0

• p_A ≠ p°_A X_A

• $∆$H_mix > 1

20.

Which of the following is an electron deficient compound?

• B₂H₆

• NH₃

• C₂H₆

• CCl₄