List of top Questions asked in PSEB XII

Name a monosaccharide.
Glucose molecule has four asymmetric carbons. Find the total number of optical isomers in glucose.
The boiling point of a solution containing 1.5 g of dichlorobenzene in 100 g of benzene was higher by 0.268 K. Calculate the molar mass of dichlorobenzene. (\(K_b\) for benzene = 2.62 K molal\(^{-1}\))
The reaction of toluene with Cl\(_2\) in the presence of FeCl\(_3\) gives predominantly-
Which of the following is most reactive towards nucleophilic addition reactions?
Which of the following reagents cannot be used to distinguish between pentanal and 2-pentanone?
Which of these is most acidic?
True/False: The crystal field splitting \(\Delta_o\) depends on the field produced by the ligand and the charge on the metal ion.
True/False: The boiling point of ethers are higher than those of isomeric alcohols.
What is the final oxidation state of manganese after the electrochemical reactions in a Dry Cell?
If the unit of specific rate constant (\(k\)) for a certain gaseous reaction is atm\(^{-2}\) s\(^{-1}\), then the order of the reaction is-
The coordination number of platinum in \([\text{PtCl}(\text{C}_5\text{H}_5\text{N})(\text{NH}_3)]\) is-
An unripe mango placed in a concentrated salt solution to prepare pickle, shrivels because-
In comparison to a 0.01 M solution of glucose, the depression in freezing point of a 0.01 M MgCl\(_2\) solution is?
Isotonic solutions have:
How did customers provide evidence of defective scooters?
What did the CCPA do after identifying discrepancies in Ola Electric’s claims?
Which service-related issue was highlighted in consumer complaints?
What key discrepancy led to the CCPA’s legal action?
Give any six points of importance of delegation.
Write any six measures to overcome the barriers and improve communication effectiveness.
"Advertising is a necessary evil." Analyse the statement.
Discuss any six factors affecting the choice of capital structure.
What was the company’s sales policy?
What change did the competitors make that affected Super Fine Rice Ltd.?