Which of the following statements is INCORRECT for pair of elements Zr-Hf?

Correct Answer - C Amorphous solids have no orderly arrangement of particles i.e., they are isotropic

Correct Answer - D HF is more stable than HCl. The reson is that in the formation of HF, more energy is produced. It means, HF has less energy than HCl...

Correct Answer - D Sucrose obtained from cane sugar. On hydrolysis of sucrose it gives equimolar mixture of D (+)-glucose and D (-)-fructose. Sucrose is a non-reducing sugar. Sucrose `underset"or invertase"overset(H^+)to...

Correct Answer - C `Zn-3d^10 4s^2 , Cd-4d^(10) 5s^2 , Hg- 5d^10 6s^2` `therefore (n-1) d^10 ns^2`

Correct Answer - D Zr - Hf are chemical twins and are present in period 5th and 6th respectively.

Correct Answer - 1 `DeltaG^(@)` is not always zero at equilibrium

Correct Answer - C Brass is a solution of solid in solid (Cu+Zn).

Correct Answer - B Hoffmann hypobromite degradation `R-CONH_(2) + Br_(2) + 4NaOH to R-NH_(2) + Na_(2)CO_(3) + 2NaBr + 2 H_(2)O` Incorrect statement B

Correct Answer - C `Pd(Z=46)-[Kr]4d^(10)5s^(0)` `Ag(Z=47)-[Kr]4d^(10)5^(1)`

Correct Answer - B `La` has an extra shell than Y.