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Chemistry 1488 MCQs [All-Courses]

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By decreasing the pressure the reaction will go to that direction where_________________?

A volume is decreased

B volume increased

C heat absorbed

D no. of moles of specie decreased

Review Detailed Answer

Correct Answer: volume increased

Solubility of any salt can be determined from_______________?

A Ka

B Kb

C Kc

D Ksp

Review Detailed Answer

Correct Answer: Ksp

Addition of CH3COOH and CH3COONa gives in water_______________?

A Standard solution

B buffer solution

C acidic buffer solution

D both B & C

Review Detailed Answer

Correct Answer: both B & C

When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?

A common ion effect

B solubility product

C dissociation constant

D dissociation constant for an acid

Review Detailed Answer

Correct Answer: solubility product

Any substance which accepts H+ is base favours the concept___________________?

A Lowrys

B Lewis

C Arrhenius

D None of these

Review Detailed Answer

Correct Answer: Lowrys

Negative log of mular concentration of H+ ions is called___________________?

A pH

B pOH

C pKa

D pKw

Review Detailed Answer

Correct Answer: pH

By the addition of base in waterpH will be_______________?

A more than 7

B less than 7

C equal to 7

D no effect

Review Detailed Answer

Correct Answer: more than 7

Catalyst used to speed up the reaction of ammonia synthesis is________________________?

A V2O5

B V2O5 and Pt

C Fe

D Pieces of Fe crystals are embedded in fused mixture of MgO Al2O3 and SiO2

Review Detailed Answer

Correct Answer: Fe

Rate expression for ammonia synthesis is___________________?

A Kc=x2/(a-x)(b-x)

B Kc=x2/v(a-x)

C Kc=4×2/(a-2x)2(b-x)

D Kc=4x2v2/(a-x)(b-3x)3

Review Detailed Answer

Correct Answer: Kc=4x2v2/(a-x)(b-3x)3

Unit of Kc is_______________?

A moles2dm+6

B moles-2dm+6

C moles+2dm-6

D Kc may or may not have units

Review Detailed Answer

Correct Answer: Kc may or may not have units

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

By decreasing the pressure the reaction will go to that direction where_________________?

Solubility of any salt can be determined from_______________?

Addition of CH3COOH and CH3COONa gives in water_______________?

When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?

Any substance which accepts H+ is base favours the concept___________________?

Negative log of mular concentration of H+ ions is called___________________?

By the addition of base in waterpH will be_______________?

Catalyst used to speed up the reaction of ammonia synthesis is________________________?

Rate expression for ammonia synthesis is___________________?

Unit of Kc is_______________?