ChemiHacks

Formaldehyde reacts with Grignard’s reagent to give addition products which on hydrolysis give ??
a. tertiary alcohols
b. secondary alcohols
c. primary alcohols
d. carboxylic acids

What is the test to differentiate between penta-2-one and pentan-3-one?
(a) Iodoform test
(b) Benedict’s test
(c) Fehling’s test
(d) Aldol condensation test

Among the following which arc ambidentate ligands?
(i) SCN– (ii) NO−3
(iii) NO−2 (iv) C2O2−4

What is the geometry of [Ni(CN)4]2??

The number of possible isomers for the complex [Co(C2O4)2 (NH3)2] ??
(a) 1 (b) 2
(c) 3 (d) 4

The product of hydrolysis of ozonide of 1-butene are ??
(a) ethanol only
(b) ethanal and methanal
(c) propanal and methanal
(d) methanal only

Which of the following reactions follows Markovnikov’s rule?
(a) C2H4 + HBr
(b) C3H6 + Cl6
(c) C3H6 + HBr
(d) C3H6 + Br2

Phenol is less acidic than ______________.
(i) ethanol
(ii) o-nitrophenol
(iii) o-methylphenol
(iv) o-methoxyphenol

In a dry cell, which of the following is the electrolyte?
a) Potassium hydroxide
b) Sulphuric acid
c) Ammonium chloride
d) Manganese dioxide

Plane Polarized light is affected by?
A) identical molecules
B) All polymers
C) Chiral Molecules
D) All

14 دسمبر 2022

پشاور: خیبرپختونخوا پولیس رولز 1934 میں ترمیم، محکمہ قانون سے پاس ، مشیر داخلہ خیبرپختونخواہ بابر سلیم سواتی

پشاور: پولیس رولز 1934 میں ترمیم منظوری کے لئے بہت جلد صوبائی کابینہ میں پیش کیا جائے گا ، مشیر داخلہ خیبرپختونخوا

پشاور: ترمیم کی منظوری سے4500 ایسے امیدواران مستفید ہونگے جن کے تحریری امتحان میں 40 فیصد سے کم نمرز ائے ہیں، مشیر داخلہ

پشاور: ان امیدواران نے پولیس میں بھرتی کے لئے تحریری امتحان میں 40 فیصد سے کم نمرز لیئے تھے، مشیر داخلہ

پشاور: منظوری کے بعد وہ امیدواران جن کے تحریری امتحان میں 25 فیصد نمبرات آئے ہیں وہ پاس امیدواروں کے فہرست میں تصور ہونگے،مشیر داخلہ

پشاور: ایسے امیدواران کی مزید بھرتی کا عمل اب اس ترمیم سے جلد شروع ہو جائیگا۔ مشیر داخلہ

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