Category: Chemistry

In which of the following pairs do the

molecules have similar shapes?Select one:a. AICI3 and PC13b. Bf3 and NH3c. HgCl2 and H20d. AlCl3 and BCI3​

I think tu right ahes pn mala mazya love var ani god vr belief ahe so ti vapas yavi hich mazi last wish i will leave everything from onwards and sorry mi adhich tuz aikayla pahije hot​

nhi i loves her i have a belief that she will return back i wish to god . And yes i don’t want to be a human now don’t wanna to live now ☹​

6. Which has more number of atoms: 115 g of

sodium or 168 g of iron? (Given : atomic masses-Na 23 u, Fe = 56 u)9.dist​

Which theiry was porposed by Heitler and London. 1) VSEPR theory. 2) MOT. 3) VBT​

Q.25 When Nitrogen gas react with iron and low temperature and high temperature, write

two differences between these two processes​

Which of the following contains

greatest no. of oxygen atomsА 1 gram atom of “o”B В1 gram atom of O2 moleculeС C1 gram atom of Oz moleculeDAll the contains same atoms​

VY

7. The mole fraction of nitrogen in a mixturecontaining 70 gm nitrogen, 120 gm of oxygenand 44 gm of CO2 isRela(M)1772(A) 0.36 (B) 0.34 (C) 0.29 (D) 5.0​

11.

Statement A : Hybrid orbitals always form only o bonds.1Statement B: Only orbitals undergo hybridisation but not electronsStatement C: Hybrid orbitals form o and a bonds.a) All the statements A, B and C are correct b) All the statements A, B and C are incorrectc) A, B are correct and C is incorrectd) A, B are incorrect and C is correct​

1. Which of the following is a precipitation reaction?

a. C1, +2KBr _2KCI+Br2b. 2H2O _ 2H2+O2c. JCI+ NaCI + H2Od. BaCI2 + Na2SO4 _ BaSO4+2NaCI​